<!--
 * @Description:
-->
<script lang="ts">
import type { PropType } from 'vue'
import { computed, defineComponent, reactive, toRefs, unref } from 'vue'
import { asyncComputed } from '@vueuse/core'
import { omit } from 'lodash-es'
import { Col, Divider, FormItem, Tooltip } from 'ant-design-vue'
import { componentMap } from '../../core/formItemConfig'
import type { IFormConfig, IVFormComponent } from '../../typings/v-form-component'
import { handleAsyncOptions } from '../../utils'

// import FormItem from '/@/components/Form/src/components/FormItem.vue';

import { useFormModelState } from '../../hooks/useFormDesignState'
import { Icon } from '@/components/Icon'

export default defineComponent({
  name: 'VFormItem',
  components: {
    Tooltip,
    Icon,
    FormItem,
    Divider,
    Col,
  },

  props: {
    formData: {
      type: Object,
      default: () => ({}),
    },
    schema: {
      type: Object as PropType<IVFormComponent>,
      required: true,
    },
    formConfig: {
      type: Object as PropType<IFormConfig>,
      required: true,
    },
  },
  emits: ['update:form-data', 'change'],
  setup(props, { emit }) {
    const state = reactive({
      componentMap,
    })

    const { formModel: formData1, setFormModel } = useFormModelState()
    const colPropsComputed = computed(() => {
      const { colProps = {} } = props.schema
      return colProps
    })
    const formItemProps = computed(() => {
      const { formConfig } = unref(props)
      let { field, required, rules, labelCol, wrapperCol } = unref(props.schema)
      const { colon } = props.formConfig

      const { itemProps } = unref(props.schema)

      // <editor-fold desc="布局属性">
      labelCol = labelCol || (formConfig.layout === 'horizontal'
        ? formConfig.labelLayout === 'flex'
          ? { style: `width:${formConfig.labelWidth}px` }
          : formConfig.labelCol
        : {})

      wrapperCol = wrapperCol || (formConfig.layout === 'horizontal'
        ? formConfig.labelLayout === 'flex'
          ? { style: 'width:auto;flex:1' }
          : formConfig.wrapperCol
        : {})

      const style = formConfig.layout === 'horizontal' && formConfig.labelLayout === 'flex' ? { display: 'flex' } : {}

      /**
       * 将字符串正则格式化成正则表达式
       */

      const newConfig = Object.assign(
        {},
        {
          name: field,
          style: { ...style },
          colon,
          required,
          rules,
          labelCol,
          wrapperCol,
        },
        itemProps,
      )
      if (!itemProps?.labelCol?.span)
        newConfig.labelCol = labelCol

      if (!itemProps?.wrapperCol?.span)
        newConfig.wrapperCol = wrapperCol

      if (!itemProps?.rules)
        newConfig.rules = rules

      return newConfig
    }) as Recordable

    const componentItem = computed(() => componentMap.get(props.schema.component as string))

    // console.log('component change:', props.schema.component, componentItem.value);
    const handleClick = (schema: IVFormComponent) => {
      if (schema.component === 'Button' && schema.componentProps?.handle)
        emit(schema.componentProps?.handle)
    }
    /**
     * 处理异步属性，异步属性会导致一些属性渲染错误，如defaultValue异步加载会导致渲染不出来，故而此处只处理options，treeData，同步属性在cmpProps中处理
     */
    const asyncProps = asyncComputed(async () => {
      let { options, treeData } = props.schema.componentProps ?? {}
      if (options)
        options = await handleAsyncOptions(options)
      if (treeData)
        treeData = await handleAsyncOptions(treeData)
      return {
        options,
        treeData,
      }
    })

    /**
     * 处理同步属性
     */
    const cmpProps = computed(() => {
      const isCheck = props.schema && ['Switch', 'Checkbox', 'Radio'].includes(props.schema.component)
      const { field } = props.schema

      let { disabled, ...attrs } = omit(props.schema.componentProps, ['options', 'treeData']) ?? {}

      disabled = props.formConfig.disabled || disabled

      return {
        ...attrs,
        disabled,
        [isCheck ? 'checked' : 'value']: formData1.value[field!],
      }
    })

    const handleChange = function (e) {
      const isCheck = ['Switch', 'Checkbox', 'Radio'].includes(props.schema.component)
      const target = e ? e.target : null
      const value = target ? (isCheck ? target.checked : target.value) : e
      setFormModel(props.schema.field!, value)
      emit('change', value)
    }
    return {
      ...toRefs(state),
      componentItem,
      formItemProps,
      handleClick,
      asyncProps,
      cmpProps,
      handleChange,
      colPropsComputed,
    }
  },
})
</script>

<template>
  <Col v-bind="colPropsComputed">
    <FormItem v-bind="{ ...formItemProps }">
      <template v-if="!formItemProps.hiddenLabel && schema.component !== 'Divider'" #label>
        <Tooltip>
          <span>{{ schema.label }}</span>
          <template v-if="schema.helpMessage" #title>
            <span>{{ schema.helpMessage }}</span>
          </template>
          <Icon v-if="schema.helpMessage" class="ml-5" icon="ant-design:question-circle-outlined" />
        </Tooltip>
      </template>

      <slot v-if="schema.componentProps && schema.componentProps?.slotName" :name="schema.componentProps.slotName" v-bind="schema" />
      <Divider v-else-if="schema.component === 'Divider' && schema.label && !formItemProps.hiddenLabel">
        {{ schema.label }}
      </Divider>
      <!-- 部分控件需要一个空div -->
      <div>
        <component
          :is="componentItem"
          class="v-form-item-wrapper"
          v-bind="{ ...cmpProps, ...asyncProps }"
          :schema="schema"
          :style="schema.width ? { width: schema.width } : {}"
          @change="handleChange"
          @click="handleClick(schema)"
        />
      </div>

      <span v-if="['Button'].includes(schema.component)">{{ schema.label }}</span>
    </FormItem>
  </Col>
</template>

<style lang="less" scoped>
.ml-5 {
  margin-left: 5px;
}

// form字段中的标签有ant-col，不能使用width:100%
:deep(.ant-col) {
  width: auto;
}

.ant-form-item:not(.ant-form-item-with-help) {
  margin-bottom: 20px;
}

// .w-full {
//   width: 100% !important;
// }
</style>
